smtp(8) on Linux
The text 2ef0c17f0ca8, as Debian 2.2 (Potato) shipped it.
zmailer SMTP client transport agent
Flags it lists
-
-7 -
-8 -
-E -
-F -
-H -
-L -
-P -
-T -
-V -
-W -
-c -
-d -
-e -
-h -
-l -
-r -
-s -
-x